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Commit cdd657eb authored by Robert Jarzmik's avatar Robert Jarzmik Committed by Mauro Carvalho Chehab
Browse files

[media] media: platform: pxa_camera: add debug register access 



Add pxa_camera registers access through advanced video debugging.

Signed-off-by: default avatarRobert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 283e4a82

drivers/media/platform/soc_camera/pxa_camera.c

+32 −0
Original line number Diff line number Diff line
@@ -1342,6 +1342,34 @@ static int pxa_camera_check_frame(u32 width, u32 height) 
		(width & 0x01);

}



#ifdef CONFIG_VIDEO_ADV_DEBUG

static int pxac_vidioc_g_register(struct file *file, void *priv,

				  struct v4l2_dbg_register *reg)

{

	struct pxa_camera_dev *pcdev = video_drvdata(file);



	if (reg->reg > CIBR2)

		return -ERANGE;



	reg->val = __raw_readl(pcdev->base + reg->reg);

	reg->size = sizeof(__u32);

	return 0;

}



static int pxac_vidioc_s_register(struct file *file, void *priv,

				  const struct v4l2_dbg_register *reg)

{

	struct pxa_camera_dev *pcdev = video_drvdata(file);



	if (reg->reg > CIBR2)

		return -ERANGE;

	if (reg->size != sizeof(__u32))

		return -EINVAL;

	__raw_writel(reg->val, pcdev->base + reg->reg);

	return 0;

}

#endif



static int pxac_vidioc_enum_fmt_vid_cap(struct file *filp, void  *priv,

					struct v4l2_fmtdesc *f)

{
@@ -1592,6 +1620,10 @@ static const struct v4l2_ioctl_ops pxa_camera_ioctl_ops = { 
	.vidioc_expbuf			= vb2_ioctl_expbuf,

	.vidioc_streamon		= vb2_ioctl_streamon,

	.vidioc_streamoff		= vb2_ioctl_streamoff,

#ifdef CONFIG_VIDEO_ADV_DEBUG

	.vidioc_g_register		= pxac_vidioc_g_register,

	.vidioc_s_register		= pxac_vidioc_s_register,

#endif

};



static struct v4l2_clk_ops pxa_camera_mclk_ops = {